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Resultados de la búsqueda

Mostrando ítems 1 a 9 de 13.
  1. Library Resource
    Documentos de conferencias e informes
    Diciembre, 1988

    This proceeding report is divided in three sessions. In the first session papers on African forage plant genetic resources in Zimbabwe, Botswana, Malawi and the PANESA region are presented. The second session discusses forage germplasm evaluation. In this session experiences of ILCA, Tanzania, Mauritius, Uganda, Malawi, Ethiopia and Kenya are presented. Species involved in the studies included Brachiaria, Cynodon, Trifolium, Lablab, Zornia, Stylosanthes and Crotalaria. The third session deals with extensive livestock production systems.

  2. Library Resource
    Documentos de conferencias e informes
    Diciembre, 1988
    Etiopía, África, África oriental

    Outlines an economic evaluation of an improved surface drainage technology, using the broad-bed-maker (BBM) on-farm in four different vertisol areas of the Ethiopian highlands. Presents data on crops and number of areas covered for the on-farm drainage technology, on cost structure of the BBM, and on human and oxen labour input in traditional seed covering and the construction of the BBM.

  3. Library Resource
    Documentos de conferencias e informes
    Diciembre, 1988

    Presents papers dealing with various aspects of livestock production in tsetse affected areas of Africa, particular tsetse challenge, trypanosomiasis epidemiology, trypanotolerance, biological productivity, chemotherapy, economics, and genetics of trypanotolerance.

  4. Library Resource
    Documentos de conferencias e informes
    Diciembre, 1988
    África, África subsahariana

    Presents papers and abstracts on the management of vertisols in sub-Saharan Africa and other parts of the world. Overviews the importance, distribution, agroclimatology and properties of vertisols and the Indian Vertisol technology experience. Reviews resource assessment and management and highlights inter-institutional modes of operation and networking concepts in Vertisol research and development.

  5. Library Resource
    Documentos de conferencias e informes
    Diciembre, 1988
    Etiopía, África, África oriental

    Presents the results of investigations on the relative distribution of the various phosphorus forms, fixing capacity and status of some Ethiopian highland Vertisols.

  6. Library Resource
    Documentos de conferencias e informes
    Diciembre, 1988

    Presents papers dealing with the use of crop residues as livestock feed in smallholder crop/livestock farming systems, and the role of plant breeding in maintaining or improving their nutritive value. Discusses factors limiting the nutritive value of crop residues, and the effect of genotype and environment on the nutritive value of crop residues. Outlines perspectives and implications for crop improvement programmes. Includes recommendations.

  7. Library Resource
    Documentos de conferencias e informes
    Diciembre, 1988
    Tanzania, Zambia, Malawi, África subsahariana, África

    Several traditional methods of maintaining soil fertility in bean-based cropping systems are reviewed as follows: visoso, large- scale chitemene, ngoro or matengo pit (Mbinga District, Tanzania), mambwe land-use system of northern Zambia (fundikila), mounds of the Wafipas (SW Tanzania), tumba land-use system (southern Tanzania), guie (central highlands of Ethiopia), mafuku in Zaire, termite mounds, agroforestry, relay intercropping systems, coffee- banana-bean cropping system of the Wahayas of Bukoba (Tanzania), removal of maize tassels (northern Malawi), and storage of nutrients in weeds (

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